Home / 314,527.07-434,044.37-171,289.51

Finding the Fourth Proportional to 314,527.07, 434,044.37 and 171,289.51

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Solution

The fourth proportional to 314,527.07, 434,044.37 and 171,289.51 is: 236,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,527.07 : 434,044.37 = 171,289.51 : x
  2. Step 2: Convert to fraction form
    314,527.07/434,044.37 = 171,289.51/x
  3. Step 3: Cross multiply
    314,527.07x = 434,044.37 × 171,289.51
  4. Step 4: Simplify right side
    314,527.07x = 74,347,246,798.67
  5. Step 5: Solve for x
    x = 74,347,246,798.67/314,527.07
  6. Step 6: Final answer
    x = 236,377.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.